- Team Yokomo YZ2 CAL/DTM3.1 - Difference with the YZ2 CAL/DTM3 -

By Chris Foster

First up is the chassis, both DTM3.1 and CAL3.1 are 5mm longer than the previous kit chassis. The DTM chassis like previously has no machining of material under where the electronics tray and servo sit, unlike the CAL. A quick tip for easier identification between a 3.0 and a 3.1 chassis is the small hole between the screws where the D block sits.

Summary
Z2-002D - DTM3.0 Chassis, shortest of all 4 available with no machining under electronics.
Z2-002D31 - DTM3.1 Chassis, 5mm longer than DTM3.0 and again no machining under electronics.
Z2-002C - CAL3.0 Chassis, same length as the DTM3.1 chassis but has machining under electronics.
Z2-002C31 - CAL3.1 Chassis, 5mm longer than CAL3.0 and again machining under electronics.

Hope this helps people choosing the correct chassis for the surface they plan to run on.

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Next up is the front suspension mount.

CAL3.1 comes with a steel variant weighing 40g, this is 6g lighter than the previous steel included in the CAL3. It now a has a black coating with gold etching to identify orientation. DTM3.1 comes a with a black and silver alloy version that weighs 9.5g, but also has a section in centre to add extra weight if necessary. Both variants now have the option to raise the inner hinge pins by 1mm over kit position and is done so by flipping the block.


Staying at the front of the car we have new c hubs. A couple of slight changes here, with the hubs now incorporating a screw hole to limit the steering lock and the kingpins moving slightly further forward (about 1mm). The new hubs retain all the previous caster and axle height adjustments from the 3.0 cars. Both DTM/CAL3.1 comes with Z2-413H3 which is the hard variant of the hub, but there is an optional graphite version Z2-413G3. See below for for picture comparison with the 3.1 hubs on the left.

Source:

C. Foster